<template>
  <div class="login_style">
    <div class="login_box">
      <!--      登录头像区-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!--      登录表单区-->
      <el-form :model="loginFrom" :rules="loginFromRules" ref="loginFromRef" label-width="0" class="login_form">
        <!--        user-->
        <el-form-item prop="username">
          <el-input v-model="loginFrom.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <!--        password-->
        <el-form-item prop="password">
          <el-input v-model="loginFrom.password" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <!--        button-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginFrom">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginFrom: {
        username: 'admin',
        password: '123456'
      },
      loginFromRules: {
        username: [
          {
            required: true,
            message: '请输入您的用户名',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入您的密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 12,
            message: '长度在 6 到 12 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    login () {
      this.$refs.loginFromRef.validate(async valid => {
        if (valid) {
          const { data: res } = await this.$http.post('login', this.loginFrom)
          if (res.meta.status !== 200) return this.$message.error('登录失败')
          this.$message.success('登录成功')
          // console.log(res)
          window.sessionStorage.setItem('token', res.data.token)
          await this.$router.push('/home')
        } else {
        }
      })
    },
    resetLoginFrom () {
      this.$refs.loginFromRef.resetFields()
    }
  }
}
</script>

<style Lang="less" scoped>

.login_style {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 300px;
  border-radius: 3px;
  background-color: #fff;
}

.avatar_box {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  background-color: #fff;
}

img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
